NRDAX-T0165 - Missing Zero-Guard Divide-By-Zero Halt

consensus_abuse · active · first seen 2026-07-07

provenance: Reproduced in NullRabbit's attack-reproduction pipeline

mechanism

GHSA-x5vx-95h7-rv4p (cosmos-sdk <=0.47.15/<=0.50.11): x/group PercentageDecisionPolicy.Allow does yesCount.Quo(totalPower) with no totalPower==0 guard; a proposal on a group whose weight is driven to

instances (1)

chain	primitive	fidelity	origin	reproducer (bundle)	source
cosmos	cosmos_group_divzero_halt	lab	reverse-engineered-cve	cosmos_group_divzero_halt	https://github.com/cosmos/cosmos-sdk/security/advisories/GHSA-x5vx-95h7-rv4p ↗

references

ghsa: GHSA-x5vx-95h7-rv4p

related (consensus_abuse)

NRDAX-T0024 - Compact Block FillBlock Duplicate Crash active NRDAX-T0056 - Duplicate Input Validation-Bypass Crash active NRDAX-T0143 - Malformed Field Gossip Before Validation active NRDAX-T0202 - Peer Timestamp Skew Manipulation active NRDAX-T0207 - Pre-Verify Gossip Flood active NRDAX-T0211 - Premature Processing Index-Out-Of-Range Panic active NRDAX-T0298 - Timestamp Integer Overflow Netsplit active NRDAX-T0307 - Transaction Malleability active

cite

https://nrdax.com/techniques/NRDAX-T0165

plain

NRDAX Registry. Technique NRDAX-T0165.

bibtex

@misc{nrdax_NRDAX_T0165,
  title = {Missing Zero-Guard Divide-By-Zero Halt (NRDAX-T0165)},
  howpublished = {NRDAX Registry},
  url = {https://nrdax.com/techniques/NRDAX-T0165},
}

json (csl)

{
  "id": "nrdax-NRDAX-T0165",
  "type": "dataset",
  "title": "Missing Zero-Guard Divide-By-Zero Halt (NRDAX-T0165)",
  "URL": "https://nrdax.com/techniques/NRDAX-T0165",
  "publisher": "NRDAX Registry"
}